Finding the Fourth Proportional to 124,397.40, 171,667.98 and 67,808.78

Step by Step Solution

1. Step 1: Write the proportion equation
   124,397.40 : 171,667.98 = 67,808.78 : x
2. Step 2: Convert to fraction form
   124,397.40/171,667.98 = 67,808.78/x
3. Step 3: Cross multiply
   124,397.40x = 171,667.98 × 67,808.78
4. Step 4: Simplify right side
   124,397.40x = 11,640,596,288.86
5. Step 5: Solve for x
   x = 11,640,596,288.86/124,397.40
6. Step 6: Final answer
   x = 93,575.88